module.exports = 
	{
		title: '中等',   // 必要的
    collapsable: true, // 可选的, 默认值是 true,
    sidebarDepth: 1,    // 可选的, 默认值是 1
    children: [
    	'medium/17.teemo-attacking',
    	'medium/24.h-index',
    	'medium/32.battleships-in-a-board',
    	'medium/33.rotate-array',
    	'medium/35.rotate-function',
    	'medium/36.spiral-matrix',
    	'medium/37.spiral-matrix-ii',
    	'medium/39.diagonal-traverse',
    	'medium/41.rotate-image',
    	'medium/42.set-matrix-zeroes',
    	'medium/43.game-of-life',
    	'medium/45.range-sum-query-2d-immutable',
    	'medium/46.product-of-array-except-self',
    	'medium/55.reverse-words-in-a-string',
    	'medium/60.group-anagrams',
    	'medium/61.sort-characters-by-frequency',
    	'medium/62.reconstruct-original-digits-from-english',
    	'medium/66.unique-substrings-in-wraparound-string',
    	'medium/67.encode-and-decode-tinyurl',
    	'medium/68.bulls-and-cows',
    	'medium/71.minimum-time-difference',
    	'medium/72.optimal-division',
    	'medium/73.complex-number-multiplication',
    	'medium/74.fraction-addition-and-subtraction',
    	'medium/75.solve-the-equation',
    	'medium/77.string-compression',
    	'medium/78.string-to-integer-atoi',
    	'medium/80.integer-to-roman',
    	'medium/82.compare-version-numbers',
    	'medium/83.magical-string',
    	'medium/85.longest-word-in-dictionary-through-deleting',
    	'medium/87.longest-uncommon-subsequence-ii',
    	'medium/91.multiply-strings',
    	'medium/92.additive-number',
    	'medium/94.zigzag-conversion',
    	'medium/97.repeated-string-match',
    	'medium/100.longest-palindromic-substring',
    	'medium/101.palindromic-substrings',
    	'medium/109.bulb-switcher',
    	'medium/113.count-numbers-with-unique-digits',
    	'medium/114.powx-n',
    	'medium/115.super-pow',
    	'medium/116.longest-absolute-file-path',
    	'medium/117.basic-calculator-ii',
    	'medium/118.exclusive-time-of-functions',
    	'medium/120.flatten-nested-list-iterator',
    	'medium/121.decode-string',
    	'medium/123.remove-nth-node-from-end-of-list',
    	'medium/124.flatten-a-multilevel-doubly-linked-listsubmissions',
    	'medium/125.rotate-list',
    	'medium/126.swap-nodes-in-pairs',
    	'medium/128.reverse-linked-list-ii',
    	'medium/130.add-two-numbers',
    	'medium/131.add-two-numbers-ii',
    	'medium/135.sum-of-square-numbers',
    	'medium/139.number-of-provinces',
    	'medium/140.minesweeper',
        'medium/141.top-k-frequent-words'
    ]
	}